201142102 has 32 divisors (see below), whose sum is σ = 352864512. Its totient is φ = 84206304.

The previous prime is 201142099. The next prime is 201142127. The reversal of 201142102 is 201241102.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 227353 + ... + 228235.

It is an arithmetic number, because the mean of its divisors is an integer number (11027016).

Almost surely, 2^201142102 is an apocalyptic number.

201142102 is a deficient number, since it is larger than the sum of its proper divisors (151722410).

201142102 is a wasteful number, since it uses less digits than its factorization.

201142102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1252.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 201142102 is about 14182.4575444455. The cubic root of 201142102 is about 585.9146109084.

Adding to 201142102 its reverse (201241102), we get a palindrome (402383204).

The spelling of 201142102 in words is "two hundred one million, one hundred forty-two thousand, one hundred two".